<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1" />
<title>Reflection xref</title>
<link type="text/css" rel="stylesheet" href="../../../../../../stylesheet.css" />
</head>
<body>
<div id="overview"><a href="../../../../../../../apidocs/com/totsp/gwittir/client/fx/rebind/Reflection.html">View Javadoc</a></div><pre>

<a name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a name="2" href="#2">2</a>   <em class="jxr_comment"> * Reflection.java</em>
<a name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a name="4" href="#4">4</a>   <em class="jxr_comment"> * Created on August 15, 2007, 11:50 AM</em>
<a name="5" href="#5">5</a>   <em class="jxr_comment"> *</em>
<a name="6" href="#6">6</a>   <em class="jxr_comment"> * This library is free software; you can redistribute it and/or</em>
<a name="7" href="#7">7</a>   <em class="jxr_comment"> * modify it under the terms of the GNU Lesser General Public</em>
<a name="8" href="#8">8</a>   <em class="jxr_comment"> * License as published by the Free Software Foundation; either</em>
<a name="9" href="#9">9</a>   <em class="jxr_comment"> * version 2.1 of the License, or (at your option) any later version.</em>
<a name="10" href="#10">10</a>  <em class="jxr_comment"> *</em>
<a name="11" href="#11">11</a>  <em class="jxr_comment"> * This library is distributed in the hope that it will be useful,</em>
<a name="12" href="#12">12</a>  <em class="jxr_comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</em>
<a name="13" href="#13">13</a>  <em class="jxr_comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</em>
<a name="14" href="#14">14</a>  <em class="jxr_comment"> * Lesser General Public License for more details.</em>
<a name="15" href="#15">15</a>  <em class="jxr_comment"> *</em>
<a name="16" href="#16">16</a>  <em class="jxr_comment"> * You should have received a copy of the GNU Lesser General Public</em>
<a name="17" href="#17">17</a>  <em class="jxr_comment"> * License along with this library; if not, write to the Free Software</em>
<a name="18" href="#18">18</a>  <em class="jxr_comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA</em>
<a name="19" href="#19">19</a>  <em class="jxr_comment"> */</em>
<a name="20" href="#20">20</a>  <strong class="jxr_keyword">package</strong> com.totsp.gwittir.client.fx.rebind;
<a name="21" href="#21">21</a>  
<a name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.DOM;
<a name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.Element;
<a name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.Image;
<a name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.SimplePanel;
<a name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.Widget;
<a name="27" href="#27">27</a>  
<a name="28" href="#28">28</a>  
<a name="29" href="#29">29</a>  <em class="jxr_javadoccomment">/**</em>
<a name="30" href="#30">30</a>  <em class="jxr_javadoccomment"> *</em>
<a name="31" href="#31">31</a>  <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="mailto:cooper@screaming-penguin.com" target="alexandria_uri">mailto:cooper@screaming-penguin.com</a>"&gt;Robert "kebernet" Cooper&lt;/a&gt;</em>
<a name="32" href="#32">32</a>  <em class="jxr_javadoccomment"> */</em>
<a name="33" href="#33">33</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../com/totsp/gwittir/client/fx/rebind/Reflection.html">Reflection</a> <strong class="jxr_keyword">extends</strong> Widget {
<a name="34" href="#34">34</a>      <strong class="jxr_keyword">private</strong> <a href="../../../../../../com/totsp/gwittir/client/fx/rebind/Canvas.html">Canvas</a> canvas = <strong class="jxr_keyword">new</strong> <a href="../../../../../../com/totsp/gwittir/client/fx/rebind/Canvas.html">Canvas</a>();
<a name="35" href="#35">35</a>      <strong class="jxr_keyword">private</strong> Element element = canvas.getElement();
<a name="36" href="#36">36</a>      <strong class="jxr_keyword">private</strong> Image base;
<a name="37" href="#37">37</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">double</strong> height;
<a name="38" href="#38">38</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">double</strong> opacity;
<a name="39" href="#39">39</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> baseWidth;
<a name="40" href="#40">40</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> baseHeight;
<a name="41" href="#41">41</a>      <strong class="jxr_keyword">private</strong> SimplePanel panel = <strong class="jxr_keyword">new</strong> SimplePanel();
<a name="42" href="#42">42</a>  
<a name="43" href="#43">43</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Creates a new instance of <a href="../../../../../../com/totsp/gwittir/client/fx/rebind/Reflection.html">Reflection</a> */</em>
<a name="44" href="#44">44</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../../com/totsp/gwittir/client/fx/rebind/Reflection.html">Reflection</a>() {
<a name="45" href="#45">45</a>          <strong class="jxr_keyword">super</strong>();
<a name="46" href="#46">46</a>          <strong class="jxr_keyword">super</strong>.setElement(panel.getElement());
<a name="47" href="#47">47</a>          panel.setWidget( canvas );
<a name="48" href="#48">48</a>      }
<a name="49" href="#49">49</a>  
<a name="50" href="#50">50</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> paint(Image base, <strong class="jxr_keyword">int</strong> baseWidth, <strong class="jxr_keyword">int</strong> baseHeight, <strong class="jxr_keyword">double</strong> height, <strong class="jxr_keyword">double</strong> opacity) {
<a name="51" href="#51">51</a>          <strong class="jxr_keyword">this</strong>.height = height;
<a name="52" href="#52">52</a>          <strong class="jxr_keyword">this</strong>.opacity = opacity;
<a name="53" href="#53">53</a>          <strong class="jxr_keyword">if</strong>( <strong class="jxr_keyword">this</strong>.base != <strong class="jxr_keyword">null</strong> ){
<a name="54" href="#54">54</a>              paint();
<a name="55" href="#55">55</a>          }
<a name="56" href="#56">56</a>          <strong class="jxr_keyword">this</strong>.base = base;
<a name="57" href="#57">57</a>          <strong class="jxr_keyword">this</strong>.baseWidth = baseWidth;
<a name="58" href="#58">58</a>          <strong class="jxr_keyword">this</strong>.baseHeight = baseHeight;
<a name="59" href="#59">59</a>  
<a name="60" href="#60">60</a>          <strong class="jxr_keyword">int</strong> reflectHeight = (<strong class="jxr_keyword">int</strong>) Math.round(baseHeight * height);
<a name="61" href="#61">61</a>          DOM.setStyleAttribute(element, <span class="jxr_string">"width"</span>, baseWidth + <span class="jxr_string">"px"</span>);
<a name="62" href="#62">62</a>          DOM.setStyleAttribute(element, <span class="jxr_string">"height"</span>, reflectHeight + <span class="jxr_string">"px"</span>);
<a name="63" href="#63">63</a>          <em class="jxr_comment">/*<em class="jxr_comment">DOM.setStyleAttribute(element, "marginBottom",</em></em>
<a name="64" href="#64">64</a>  <em class="jxr_comment">            "-" + reflectHeight + "px");*/</em>
<a name="65" href="#65">65</a>          DOM.setElementAttribute(element, <span class="jxr_string">"width"</span>, <span class="jxr_string">""</span> + baseWidth);
<a name="66" href="#66">66</a>          DOM.setElementAttribute(element, <span class="jxr_string">"height"</span>, <span class="jxr_string">""</span> + reflectHeight);
<a name="67" href="#67">67</a>          <strong class="jxr_keyword">this</strong>.panel.setPixelSize(baseWidth, reflectHeight);
<a name="68" href="#68">68</a>          paint();
<a name="69" href="#69">69</a>      }
<a name="70" href="#70">70</a>  
<a name="71" href="#71">71</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> paint() {
<a name="72" href="#72">72</a>          <strong class="jxr_keyword">int</strong> reflectHeight = (<strong class="jxr_keyword">int</strong>) Math.round(baseHeight * height);
<a name="73" href="#73">73</a>          Canvas.Context ctx = canvas.getContext();
<a name="74" href="#74">74</a>          ctx.save();
<a name="75" href="#75">75</a>          ctx.clearRect(0, 0, <strong class="jxr_keyword">this</strong>.baseWidth, reflectHeight );
<a name="76" href="#76">76</a>          ctx.save();
<a name="77" href="#77">77</a>          ctx.translate(0, <strong class="jxr_keyword">this</strong>.baseHeight -1 );
<a name="78" href="#78">78</a>          ctx.scale(1, -1);
<a name="79" href="#79">79</a>          ctx.drawImage(<strong class="jxr_keyword">this</strong>.base, 0, 0, <strong class="jxr_keyword">this</strong>.baseWidth, <strong class="jxr_keyword">this</strong>.baseHeight );
<a name="80" href="#80">80</a>          ctx.restore();
<a name="81" href="#81">81</a>          ctx.setGlobalCompositeOperation(<span class="jxr_string">"destination-out"</span>);
<a name="82" href="#82">82</a>          Canvas.LinearGradient gradient = ctx.createLinearGradient(0,0, 0, reflectHeight );
<a name="83" href="#83">83</a>          gradient.addColorStop(1, <span class="jxr_string">"rgba(255, 255, 255, 1.0)"</span>);
<a name="84" href="#84">84</a>  	gradient.addColorStop(0, <span class="jxr_string">"rgba(255, 255, 255, "</span>+(1-<strong class="jxr_keyword">this</strong>.opacity)+<span class="jxr_string">")"</span>);
<a name="85" href="#85">85</a>          ctx.setFillStyle( gradient );
<a name="86" href="#86">86</a>          ctx.fillRect(0,0, <strong class="jxr_keyword">this</strong>.baseWidth, reflectHeight );
<a name="87" href="#87">87</a>          ctx.restore();
<a name="88" href="#88">88</a>      }
<a name="89" href="#89">89</a>  }
</pre>
<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
</html>

